CRI-O: use crun as default runtime

[saschagrunert]

Follow-up on #35782

Requires:

• https://prow.k8s.io/view/gs/kubernetes-ci-logs/pr-logs/pull/134502/pull-kubernetes-node-crio-e2e-canary/1983164305146646528
• https://prow.k8s.io/view/gs/kubernetes-ci-logs/pr-logs/pull/134502/pull-kubernetes-node-crio-e2e-canary/1983173656020258816

/hold

cc @kubernetes/sig-node-cri-o-test-maintainers

Fixes #35758

[k8s-ci-robot]

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[saschagrunert]

Looks like there is an issue in the Summary API test:

cc @kubernetes/sig-node-cri-o-test-maintainers

E2eNode Suite: [It] [sig-node] Summary API [NodeConformance] when querying /stats/summary should report resource usage through the stats api expand_less	3m33s
{ failed [FAILED] Timed out after 180.001s.
Expected
    <string>: Summary
to match fields: {
[.Pods[summary-test-7255::stats-busybox-1].ProcessStats:
	Expected
	    <string>: ProcessStats
	to match fields: {
	.ProcessCount:
		Expected
		    <uint64>: 0
		to be >=
		    <int>: 1
	}
	, .Pods[summary-test-7255::stats-busybox-0].ProcessStats:
	Expected
	    <string>: ProcessStats
	to match fields: {
	.ProcessCount:
		Expected
		    <uint64>: 0
		to be >=
		    <int>: 1
	}
	]
}
In [It] at: k8s.io/kubernetes/test/e2e_node/summary_test.go:364 @ 10/28/25 13:42:14.082
}